object ArithmeticOpDemo {
  def main(args: Array[String]): Unit = {
    val mathScore: Int = 88
    val chineseScore: Int = 93
    val englishScore: Int = 85

    val totalScore: Int = mathScore + chineseScore + englishScore

    val avgScore: Double = totalScore.toDouble / 3

    // 格式化输出结果，保留1位小数
    println(s"学生总分: $totalScore 分")
    println(s"学生平均分: ${"%.1f".format(avgScore)} 分")
  }
}